Does the Mercedes-Benz GLC fail the MOT on body, chassis and structure more than it should?

The Mercedes-Benz GLC records 0.49 body, chassis and structure failure items per 100 initial MOT tests (2019–2024), against 0.72 expected for a car of the same age mix: about as expected for its class and age (the difference is within its interval or under 0.5 items per 100 tests) (−0.23, 95% interval −0.26 to −0.20). It ranks 296 of 663 models on body, chassis and structure (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on body, chassis and structure · check a Mercedes-Benz GLC by registration

What exactly fails on body, chassis and structure?

The most frequent DVSA defect wording in this group on the Mercedes-Benz GLC is “A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc”, recorded 711 times in 2019–2024.

Mercedes-Benz GLC: most frequent body, chassis and structure defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc	711	0.24
A transmission shaft constant velocity joint boot severely deteriorated	453	0.15
A body panel or body component damaged or corroded and likely to cause injury when grazed or contacted, or insecure	52	0.02
A driver's seat fore and aft adjustment mechanism not functioning as intended.	34	0.01
Bumper insecure or with damage likely to cause injury when grazed or contacted	31	0.01

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 299,023 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does the Mercedes-Benz GLC fail the MOT on body, chassis and structure more than it should?

What exactly fails on body, chassis and structure?

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